So good-night, and take care of your digestion, which means brain.
LETTER 112.

TO C.LYELL.15, Marine Parade, Eastbourne, 26th [September 1860].
It has just occurred to me that I took no notice of your questions on extinction in St.Helena.I am nearly sure that Hooker has information on the extinction of plants (112/1.

"Principles of Geology," Volume II.
(Edition X., 1868), page 453.

Facts are quoted from Hooker illustrating the extermination of plants in St.Helena.), but I cannot remember where I have seen it.

One may confidently assume that many insects were exterminated.
By the way, I heard lately from Wollaston, who told me that he had just received eminently Madeira and Canary Island insect forms from the Cape of Good Hope, to which trifling distance, if he is logical, he will have to extend his Atlantis! I have just received your letter, and am very much pleased that you approve.